From 4863faf5e4df76322999ad06502cbe27d0ec86dc Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Mon, 3 Oct 2016 16:20:59 +0200 Subject: UPSTREAM: sched/core: Add missing update_rq_clock() in post_init_entity_util_avg() Address this rq-clock update bug: WARNING: CPU: 0 PID: 0 at ../kernel/sched/sched.h:797 post_init_entity_util_avg() rq->clock_update_flags < RQCF_ACT_SKIP Call Trace: __warn() post_init_entity_util_avg() wake_up_new_task() _do_fork() kernel_thread() rest_init() start_kernel() Signed-off-by: Peter Zijlstra (Intel) Cc: Linus Torvalds Cc: Mike Galbraith Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar (cherry picked from commit 4126bad6717336abe5d666440ae15555563ca53f) Change-Id: Ibe9a73386896377f96483d195e433259218755a5 Signed-off-by: Brendan Jackman Signed-off-by: Chris Redpath --- kernel/sched/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 31cb76a915a8..7da9ce69e707 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2466,6 +2466,7 @@ void wake_up_new_task(struct task_struct *p) __set_task_cpu(p, select_task_rq(p, task_cpu(p), SD_BALANCE_FORK, 0)); #endif rq = __task_rq_lock(p); + update_rq_clock(rq); post_init_entity_util_avg(&p->se); walt_mark_task_starting(p); -- cgit v1.2.3